<template>
  <div ref="clcheight" class="maxnbox">
    <div class="login">
      <!-- 使用vue插件制造背景效果 -->
      <vue-particles
        class="login-bg"
        color="#1c6df5"
        :particle-opacity="0.7"
        :particles-number="100"
        shape-type="circle"
        :particle-size="4"
        lines-color="#8DD1FE"
        :lines-width="1"
        :line-linked="true"
        :line-opacity="0.4"
        :lines-distance="150"
        :move-speed="3"
        :hover-effect="false"
        hover-mode="grab"
        :click-effect="true"
        click-mode="push"
      />
      <div class="imgAndform">
        <img class="myimg" src="../assets/images/loginImg.png" alt>
        <el-form
          ref="loginForm"
          :model="loginForm"
          :rules="loginRules"
          class="login-form"
        >
          <h3 class="title">DBMove</h3>
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              type="text"
              auto-complete="off"
              placeholder="账号"
            >
              <svg-icon
                slot="prefix"
                icon-class="user"
                class="el-input__icon input-icon"
              />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              auto-complete="off"
              placeholder="密码"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon
                slot="prefix"
                icon-class="password"
                class="el-input__icon input-icon"
              />
            </el-input>
          </el-form-item>

          <!-- <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px">记住密码</el-checkbox> -->
          <el-form-item style="width: 100%">
            <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width: 100%"
              @click.native.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: 'Login',
  data() {
    return {
      codeUrl: '',
      loginForm: {
        username: 'admin',
        password: 'admin123',
        rememberMe: false
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', message: '请输入您的账号' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '请输入您的密码' }
        ]
      },
      loading: false,

      // 注册开关
      // register: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.getCookie()
  },
  mounted() {
    this.$refs.clcheight.style.height = `${document.documentElement.clientHeight}px` // 解决出现的滚动条
  },
  methods: {
    getCookie() {
      const username = Cookies.get('username')
      const password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          if (this.loginForm.rememberMe) {
            Cookies.set('username', this.loginForm.username, { expires: 30 })
            Cookies.set('password', encrypt(this.loginForm.password), {
              expires: 30
            })
            Cookies.set('rememberMe', this.loginForm.rememberMe, {
              expires: 30
            })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store
            .dispatch('Login', this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || '/' }).catch(() => {})
            })
            .catch(() => {
              this.loading = false
            })
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
.maxnbox {
  overflow-y: hidden;
  padding: 0;
  margin: 0;
}
.login {
  width: 100%;
  height: 100%;
  position: relative;
}
.login-bg {
  width: 100%;
  height: 100%;
  background: #0d0b30;
}
.imgAndform {
  width: 45%;
  height: 400px;
  background: #ffff;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  border-radius: 6px;
  .myimg {
    height: 100%;
    flex: 0 0 40%;
    border-radius: 6px;
  }
  .login-form {
    flex: 1 1 0%;
    height: 100%;
    padding: 25px 25px 5px 25px;
    margin-top: 30px;
    .el-input {
      height: 38px;
      input {
        height: 38px;
      }
    }
    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 2px;
    }
  }
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}
</style>
